Archive for the ‘Manganese’ Category
Posted by naturalproductman on January 17, 2013
Mark Rizzacasa and co-workers from the University of Melbourne have reported in Organic Letters on their formal synthesis of spirangien A.

OL paper
Posted in Iron, Manganese, Metathesis, Methodology, Polyketides, Spiroketals, Transition Metal | Leave a Comment »
Posted by naturalproductman on September 17, 2012
John Groves and co-workers have reported in Science on a manganese promoted fluorination process of aliphatics.
Science paper
Posted in C-H activation, Manganese, Methodology, Transition Metal | Leave a Comment »
Posted by naturalproductman on August 21, 2012
Konstantin Bryliakov and co-workers at the Boreskov Institute of Catalysis in Russia have reported in Organic Letters on a selective C-H activation process.

OL paper
Posted in C-H activation, Manganese, Methodology, Transition Metal | Leave a Comment »
Posted by naturalproductman on June 21, 2012
Shuanhu Gao and co-workers at East China Normal University have reported in ACIE on the synthesis of fusarisetin through an intramolecular Diels-Alder in addition to an interesting manganese catalyzed radical cyclization to form an endoperoxide that is transformed to the tetrahydrofuran ring.

ACIE paper
Posted in Alkaloids, Cascade Reactions, Manganese, Methodology, Radical Chemistry, Transition Metal | Leave a Comment »
Posted by naturalproductman on December 21, 2011
Metin Balci and co-workers at Middle East Technical University in Turkey have reported in Tetrahedron Letters on a manganese acetate promoted chloroacetonylation across an olefin.

TL paper
Posted in Cascade Reactions, Manganese, Methodology, Transition Metal | Leave a Comment »
Posted by naturalproductman on September 19, 2011
Yi Tang and co-workers from UCLA have reported in JACS on the characterization of a hydroxylase enzyme made up of two manganese metal centers responsible for catalysis.

JACS paper
Posted in Anthracenes, Chemical Biology, Manganese, Polyketides, Transition Metal | Leave a Comment »
Posted by naturalproductman on September 9, 2011
Chuo Chen and colleagues at UT Southwestern have reported in JACS on their synthesis of ageliferin, featuring a Mn-promoted cascade radical cyclization.

JACS paper
Posted in Alkaloids, Asymmetric, Cascade Reactions, Manganese, Methodology, Radical Chemistry, Transition Metal | Leave a Comment »
Posted by naturalproductman on March 4, 2011
Douglas Taber and colleague have reported in JOC on a manganese catalyzed C-H activation process to form one of the rings in (−)-cameroonan-7α-ol.

JOC paper
Posted in C-H activation, Cascade Reactions, Manganese, Methodology, Radical Chemistry, Rhodium, Ring forming, Transition Metal | Leave a Comment »
Posted by naturalproductman on August 31, 2010
John Groves and co-worker at Princeton have published in JACS on a manganese porphyrin mediated C-H chlorination reaction using sodium hypochlorite as the chlorine source. The yields and regioselectivity are modest for the more complex systems but it’s cool nonetheless.

JACS paper
Posted in C-H activation, Manganese, Methodology, Transition Metal | Leave a Comment »
Posted by naturalproductman on August 13, 2010
Nigel Simpkins and co-worker at the University of Birmingham have published in Tetrahedron Letters on a manganese/copper mediated oxidative cyclization reaction to access ialibinone.

TL paper
Posted in Cascade Reactions, Copper, Manganese, Methodology, Total Synthesis, Transition Metal | Leave a Comment »